The Global Food Grade Calcium Carbonate Market was valued at USD 3.5 Billion in 2025 and is projected to reach USD 5.1 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period (2024–2030). This robust growth is being driven by increasing health awareness, the rising prevalence of osteoporosis and calcium deficiencies, and the expanding application of calcium carbonate as a safe, cost-effective food fortificant and acidity regulator across the dietary supplement, bakery, beverage, and pharmaceutical sectors.

As consumer demand for clean-label, functional ingredients surges, the industry’s focus is on purity, bioavailability, and sustainable sourcing. In this blog, we profile the Top 10 Companies in the Food Grade Calcium Carbonate Industry—a mix of global mineral specialists, chemical giants, and dedicated nutraceutical suppliers who are shaping the future of nutritional fortification and food processing.

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🔟 1. Omya AG

Headquarters: Oftringen, Switzerland
Key Offering: High-purity Food Grade Calcium Carbonate Powders, Surface-Treated Grades

Omya is a global leader in ground calcium carbonate (GCC) and a dominant force in the food-grade segment. With over a century of experience in mineral processing, Omya supplies ultra-pure, fine-ground, and precipitated calcium carbonate to major food, beverage, and pharmaceutical manufacturers worldwide. Their products are valued for consistent particle size, high brightness, and excellent bioavailability.

Innovation & Market Focus:

• Extensive portfolio for fortification, pH adjustment, and anti-caking.
• Strong R&D in bioavailability enhancement and functional food applications.
• Global production network ensuring reliable supply chain resilience.

Download FREE Sample Report: Global Food Grade Calcium Carbonate Market – View in Detailed Research Report

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9️⃣ 2. Minerals Technologies Inc. (MTI)

Headquarters: New York, New York, USA
Key Offering: Precipitated Calcium Carbonate (PCC), Specialty Mineral Additives

Minerals Technologies is a world leader in precipitated calcium carbonate (PCC), a synthetic form prized for its extreme purity and controlled particle morphology. Their food-grade PCC, often produced onsite at customer facilities, is essential for calcium fortification in dairy alternatives, juices, baked goods, and supplements, offering superior suspension properties and neutral taste.

Innovation & Market Focus:

• Pioneer in satellite PCC plants, offering unmatched purity and supply security.
• Specialty grades designed for specific applications like gluten-free baking and plant-based milks.
• Commitment to sustainable mineral solutions and carbon footprint reduction.

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8️⃣ 3. Huber Engineered Materials (J.M. Huber Corporation)

Headquarters: Atlanta, Georgia, USA
Key Offering: HuberCal® Food Grade Calcium Carbonate, Functional Additives

Huber Engineered Materials is a premier supplier of high-performance, food-grade calcium carbonate under its HuberCal brand. Sourced from unique, high-purity limestone deposits, HuberCal is recognized for its excellent calcium content and low heavy metal specifications, making it a preferred choice for premium dietary supplements and pharmaceutical tablets worldwide.

Innovation & Market Focus:

• Focus on nutraceutical and pharmaceutical excipient markets.
• Investments in micronization and surface modification technologies.
• Global regulatory compliance (USP, FCC, Ph. Eur.) and extensive quality certifications.

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7️⃣ 4. Imerys S.A.

Headquarters: Paris, France
Key Offering: Food Grade Calcium Carbonate, Talc, Kaolin

Imerys is a world leader in mineral-based specialties, with a significant presence in food-grade calcium carbonate. Their products are integral to food processing as fillers, acidity regulators, and calcium sources. Imerys leverages its global mining and processing footprint to deliver consistent quality and supply to the bakery, confectionery, and prepared foods industries across EMEA and the Americas.

Innovation & Market Focus:

• Application-specific solutions for texture modification and shelf-life extension.
• Strong sustainability agenda focusing on resource efficiency and responsible sourcing.
• Technical partnership approach with major food processors.

Download FREE Sample Report: Global Food Grade Calcium Carbonate Market – View in Detailed Research Report

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6️⃣ 5. Calcium Products Inc.

Headquarters: Gilmore City, Iowa, USA
Key Offering: Pelletized & Powdered Ag-Lime/Food Grade Calcium, Specialty Minerals

Calcium Products Inc. is a key North American producer specializing in high-calcium, high-reactivity limestone products. While rooted in agriculture, their precisely refined food-grade calcium carbonate is crucial for animal feed premixes and specific human food fortification applications, particularly in the North American market where local, consistent supply is a priority.

Innovation & Market Focus:

• Expertise in pelletization and granulation for ease of handling and blending.
• Focus on direct supply relationships with feed and food ingredient blenders.
• Vertically integrated from mine to finished product, ensuring traceability.

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5️⃣ 6. Nitto Funka Kogyo K.K.

Headquarters: Osaka, Japan
Key Offering: Precipitated Calcium Carbonate (PCC), “FUNCA” Series

Nitto Funka is a leading Japanese chemical company and a major supplier of precipitated calcium carbonate in the Asia-Pacific region. Their “FUNCA” series of food-grade PCC is renowned for its high purity and is extensively used in the Japanese and broader Asian food industry for tofu coagulation, calcium enrichment in beverages, and as a functional additive in seafood processing.

Innovation & Market Focus:

• Deep expertise in PCC for traditional Asian food applications.
• R&D focused on enhancing the functional properties of PCC in novel foods.
• Strong regional supply chain serving Japan, Korea, and Southeast Asia.

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4️⃣ 7. Shiraishi Group

Headquarters: Osaka, Japan
Key Offering: High-Purity Calcium Carbonate, “Hakuenka” Brand

The Shiraishi Group is another Japanese powerhouse in the calcium carbonate industry, operating globally. Their “Hakuenka” brand of food-grade calcium carbonate is synonymous with ultra-high purity. Shiraishi’s products are critical in pharmaceutical tablet manufacturing as an excipient and are widely used in health foods, confectionery, and as a calcium source in nutritional products across global markets.

Innovation & Market Focus:

• Market leader in high-purity grades for pharmaceutical applications.
• Advanced surface treatment technologies to modify flowability and compatibility.
• Global production bases in Japan, Thailand, and Belgium.

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3️⃣ 8. GLC Minerals (formerly Great Lakes Calcium Corp.)

Headquarters: Green Bay, Wisconsin, USA
Key Offering: Ground Calcium Carbonate (GCC), Dried Calcium Carbonate

GLC Minerals is a leading North American supplier of industrial and food-grade ground calcium carbonate. Sourced from high-quality dolomitic limestone deposits in the Midwest, their food-grade products are used as dietary calcium supplements, antacids, and functional fillers. Their strategic location and logistics network make them a vital supplier to the North American food and nutraceutical industry.

Innovation & Market Focus:

• Specialization in drying and milling to meet precise moisture and particle size specs.
• Strong presence in the dietary supplement and animal nutrition markets.
• Focus on customer-specific product development and just-in-time delivery.

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2️⃣ 9. Nordkalk Corporation

Headquarters: Pargas, Finland
Key Offering: High-Quality Limestone-Based Products, Food Grade Calcium Carbonate

Nordkalk, part of the Rettig Group, is the leading limestone company in Northern Europe. They supply food-grade calcium carbonate sourced from some of the purest limestone deposits in Scandinavia. Their products are essential for fortifying dairy products, beverages, and baked goods in the European market, meeting the region’s stringent food safety and sustainability standards.

Innovation & Market Focus:

• Emphasis on traceability and sustainable mining practices (Nordic Swan Ecolabel).
• Key supplier to the European dairy and functional food industry.
• Investment in product safety and quality management systems.

Get Full Report Here: Global Food Grade Calcium Carbonate Market – View in Detailed Research Report

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1️⃣ 10. Mississippi Lime Company

Headquarters: St. Louis, Missouri, USA
Key Offering: High-Calcium Quicklime, Hydrated Lime, Food Grade Calcium Carbonate

Mississippi Lime Company is one of the world’s largest producers of calcium products. Their food-grade calcium carbonate, derived from high-purity limestone, plays a crucial role in numerous applications, including as a firming agent in canned vegetables, a calcium source in supplements, and a processing aid in sugar refining. Their scale and vertical integration provide significant market stability.

Innovation & Market Focus:

• Broad portfolio serving diverse food processing needs from ingredient to processing aid.
• Strong technical service supporting customers in application development.
• Commitment to environmental stewardship and energy-efficient production.

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🌍 Outlook: The Future of Food Grade Calcium Carbonate Is Functional and Fortified

The food grade calcium carbonate market is experiencing a significant evolution. While its traditional roles as a filler and acidity regulator remain vital, the future lies in its functionality as a bioavailable nutrient and a clean-label processing aid. The industry is moving towards tailored solutions that address specific health concerns and meet the demands of innovative food formats.

📈 Key Trends Shaping the Market:

• Rising demand for plant-based and dairy-alternative fortification.
• Growing geriatric population driving calcium supplement consumption.
• Increased regulatory focus on food safety and mineral purity standards (e.g., EU, FDA).
• Innovation in co-processed and encapsulated calcium for enhanced absorption and stability.
• Sustainability pressures leading to investments in carbon-neutral mining and production.

Get Full Report Here: Global Food Grade Calcium Carbonate Market – View in Detailed Research Report

The companies profiled above are more than just mineral suppliers; they are essential partners in global nutrition, enabling food and pharmaceutical manufacturers to deliver healthier, safer, and more functional products to consumers worldwide.